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<?php
declare(strict_types=1);
namespace OpenTelemetry\SDK\Metrics\Exemplar\ExemplarFilter;
use OpenTelemetry\API\Trace\Span;
use OpenTelemetry\Context\ContextInterface;
use OpenTelemetry\SDK\Common\Attribute\AttributesInterface;
use OpenTelemetry\SDK\Metrics\Exemplar\ExemplarFilterInterface;
/**
* The exemplar spec is not yet stable, and can change at any time.
* @see https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/metrics/sdk.md#exemplar
*/
final class WithSampledTraceExemplarFilter implements ExemplarFilterInterface
{
public function accepts($value, AttributesInterface $attributes, ContextInterface $context, int $timestamp): bool
{
return Span::fromContext($context)->getContext()->isSampled();
}
}
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